mshtml: Add IHTMLCSSStyleDeclaration::getPropertyValue implementation.

dlls/mshtml/htmlstyle.c

@@ -4989,11 +4989,21 @@ static HRESULT WINAPI HTMLCSSStyleDeclaration_get_parentRule(IHTMLCSSStyleDeclar
     return E_NOTIMPL;
 }
 
-static HRESULT WINAPI HTMLCSSStyleDeclaration_getPropertyValue(IHTMLCSSStyleDeclaration *iface, BSTR bstrPropertyName, BSTR *pbstrPropertyValue)
+static HRESULT WINAPI HTMLCSSStyleDeclaration_getPropertyValue(IHTMLCSSStyleDeclaration *iface, BSTR name, BSTR *value)
 {
     CSSStyle *This = impl_from_IHTMLCSSStyleDeclaration(iface);
-    FIXME("(%p)->(%s %p)\n", This, debugstr_w(bstrPropertyName), pbstrPropertyValue);
-    return E_NOTIMPL;
+    const style_tbl_entry_t *style_entry;
+    nsAString name_str, value_str;
+    nsresult nsres;
+
+    TRACE("(%p)->(%s %p)\n", This, debugstr_w(name), value);
+
+    style_entry = lookup_style_tbl(name);
+    nsAString_InitDepend(&name_str, style_entry ? style_entry->name : name);
+    nsAString_InitDepend(&value_str, NULL);
+    nsres = nsIDOMCSSStyleDeclaration_GetPropertyValue(This->nsstyle, &name_str, &value_str);
+    nsAString_Finish(&name_str);
+    return return_nsstr(nsres, &value_str, value);
 }
 
 static HRESULT WINAPI HTMLCSSStyleDeclaration_getPropertyPriority(IHTMLCSSStyleDeclaration *iface, BSTR bstrPropertyName, BSTR *pbstrPropertyPriority)

dlls/mshtml/tests/elements.js

@@ -238,6 +238,10 @@ function test_style_properties() {
 
     style.cssFloat = "left";
     ok(style.cssFloat === "left", "cssFloat = " + style.cssFloat);
+    ok(style.getPropertyValue("float") === "left",
+       'style.getPropertyValue("float") = ' + style.getPropertyValue("float"));
+    ok(style.getPropertyValue("cssFloat") === "",
+       'style.getPropertyValue("cssFloat") = ' + style.getPropertyValue("cssFloat"));
 
     val = style.removeProperty("float");
     ok(val === "left", "removeProperty() returned " + val);
@@ -262,6 +266,10 @@ function test_style_properties() {
     style["z-index"] = 1;
     ok(style.zIndex === 1, "zIndex = " + style.zIndex);
     ok(style["z-index"] === 1, "z-index = " + style["z-index"]);
+    ok(style.getPropertyValue("z-index") === "1",
+       'style.getPropertyValue("x-index") = ' + style.getPropertyValue("z-index"));
+    ok(style.getPropertyValue("zIndex") === "",
+       'style.getPropertyValue("xIndex") = ' + style.getPropertyValue("zIndex"));
 
     style.setProperty("border-width", "5px");
     ok(style.borderWidth === "5px", "style.borderWidth = " + style.borderWidth);